Interstellar Updates

 

These are items of interest to the interstellar exploration community that we’ve found in our quest for information that will help us advance toward our goals.  If you know of anything we’ve overlooked, or any sources of such information we should monitor, or if you would like to be added to our IRG-updates mailing list and receive these updates in you email every weekday, please send that information to info@irg.space.

You can now search our database of interstellar updates and find items of interest to you.

March 13, 2025 updates

Life by Chemical Evolution? A Review and Evaluation of Experiments and Hypotheses
https://link.springer.com/book/9783662707517

Investigating the eccentricity distribution of transiting, long-period giant planets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf418/8071980

Anomaly Detection and Radio-frequency Interference Classification with Unsupervised Learning in Narrowband Radio Technosignature Searches
https://iopscience.iop.org/article/10.3847/1538-3881/adb8e7

The Roman Microlensing Survey: Confirmation or Refutation of Gas Giant Exoplanet Formation Theories
https://iopscience.iop.org/article/10.3847/1538-4357/adb728

Towards High Precision Mass Measurements of Two Sub-Neptunes in the K2-266 Planetary System Through Transit Timing
https://arxiv.org/abs/2503.08905

Probing 2D Asymmetries of an Exoplanet Atmosphere from Chromatic Transit Variation
https://arxiv.org/abs/2503.08988

Earth as an Exoplanet: Investigating the effects of cloud variability on the direct-imaging of atmospheres
https://arxiv.org/abs/2503.09136

March 12, 2025 updates

The Ouroboran Hypothesis: A Self-Sustaining Biological Paradox in a Nonlinear Universe
https://www.researchgate.net/publication/389679536_The_Ouroboran_Hypothesis_A_Self-Sustaining_Biological_Paradox_in_a_Nonlinear_Universe

Exponential distance relation (aka Titius-Bode rule) in extra solar planetary systems
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf405/8071238

Review and Prospects of Hot Exozodiacal Dust Research For Future Exo-Earth Direct Imaging Missions
https://iopscience.iop.org/article/10.1088/1538-3873/adb6d5

Discovery of a Jupiter Analog Misaligned to the Inner Planetary System in HD 73344
https://iopscience.iop.org/article/10.3847/1538-3881/ada60a

The Response of Planetary Atmospheres to the Impact of Icy Comets. I. Tidally Locked Exo-Earths
https://iopscience.iop.org/article/10.3847/1538-4357/ad96ad

Four Sub-Earth Planets Orbiting Barnard’s Star from MAROON-X and ESPRESSO
https://iopscience.iop.org/article/10.3847/2041-8213/adb8d5

The Case for Edge-On Binaries: An Avenue Toward Comparative Exoplanet Demographics
https://arxiv.org/abs/2503.08583

PEPSI Investigation, Retrieval, and Atlas of Numerous Giant Atmospheres (PIRANGA). II. Phase-Resolved Cross-Correlation Transmission Spectroscopy of KELT-20b
https://arxiv.org/abs/2503.07719

PEPSI Investigation, Retrieval, and Atlas of Numerous Giant Atmospheres (PIRANGA). III. Composition and winds in the atmosphere of TOI-1518 b
https://arxiv.org/abs/2503.07723

HADES RV Programme with HARPS-N at TNG. XVI. A super-Earth in the habitable zone of the GJ 3998 multi-planet system
https://arxiv.org/abs/2503.08405

There’s more to life in reflected light: Simulating the detectability of a range of molecules for high-contrast, high-resolution observations of non-transiting terrestrial exoplanets
https://arxiv.org/abs/2503.08592

March 11, 2025 updates

What is Life? Revisiting Schrödinger’s Question Through Quantum Information, Emergence, and Directed Panspermia
https://www.researchgate.net/publication/389623636_What_is_Life_Revisiting_Schrodinger’s_Question_Through_Quantum_Information_Emergence_and_Directed_Panspermia

Evidence for Abiotic Dimethyl Sulfide in Cometary Matter
https://iopscience.iop.org/article/10.3847/1538-4357/ad8565

HADES RV Programme with HARPS-N at TNG – XVI. A super-Earth in the habitable zone of the GJ 3998 multi-planet system
https://www.aanda.org/articles/aa/full_html/2025/03/aa52630-24/aa52630-24.html

First detection of variable radio emission originating from the infant planetary system V1298 Tau
https://arxiv.org/abs/2503.05952

Polar circumtriple planets and disks around misaligned hierarchical triple stars
https://arxiv.org/abs/2503.06787

TESS and HARPS-N unveil two planets transiting TOI-1453. A super-Earth and one of the lowest mass sub-Neptunes
https://arxiv.org/abs/2503.07529

March 10, 2025 Updates

Risk Communication and the Search for Life Beyond Earth: Challenges of Risk Amplification, Risk Information Seeking, and Risk Message Design for Research and Preparedness
https://osf.io/preprints/osf/bq57k_v1

Resonance Field Theory (RFT)_ The Chiral Structure of Space, Time, and Matter
https://philarchive.org/rec/BOSRFT-2

WASP-52b: Insights into the exoplanet’s parameters from combining new photometric ground observations and TESS observation with SOPHIE, COR, and HARPS data for multifilter photometric and spectroscopic radial velocity
https://www.sciencedirect.com/science/article/pii/S1384107625000284

Transit timing variations of the sub-Saturn exoplanet HAT-P-12b
https://www.sciencedirect.com/science/article/pii/S1384107625000399

Mapping the Merging Zone of Late Infall in the AB Aur Planet-forming System
https://iopscience.iop.org/article/10.3847/2041-8213/adb7d5

Characterising planetary material accreted by cool helium atmosphere white dwarfs using an exponentially decaying disc model
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf398/8063941

An Oxidation Gradient Straddling the Small Planet Radius Valley
https://arxiv.org/abs/2503.05055

CARMENES as an Instrument for Exoplanet Research
https://arxiv.org/abs/2503.05501

Constraining the Scattered Light properties of LTT 9779 b Using HST/WFC3 UVIS
https://arxiv.org/abs/2503.05581

March 07, 2025 updates

A Unified Framework for Faster Than Light Travel Integrating Chronos Dimensional and HOPE Models
https://zenodo.org/records/14986299

A Case Study of Interstellar Material Delivery: α Centauri
https://iopscience.iop.org/article/10.3847/PSJ/adb1e9

Amplifying Resonant Repulsion with Inflated Young Planets, Overlooked Inner Planets, and Nonzero Initial Δ
https://iopscience.iop.org/article/10.3847/1538-4357/adb281

A Time-Resolved High-Resolution Spectroscopic Analysis of Ionized Calcium and Dynamical Processes in the Ultra-Hot Jupiter HAT-P-70 b
https://arxiv.org/abs/2503.03814

HST Transmission Spectra of the Hot-Neptune HD 219666 b: Detection of Water and the Challenge of Constraining Both Water and Methane with HST
https://arxiv.org/abs/2503.03895

Rapid characterization of exoplanet atmospheres with the Exoplanet Transmission Spectroscopy Imager (ETSI)
https://arxiv.org/abs/2503.03931

MIRI-LRS spectrum of a cold exoplanet around a white dwarf: water, ammonia, and methane measurements
https://arxiv.org/abs/2503.04531

Parameter degeneracies associated with interpreting HST WFC3 transmission spectra of exoplanetary atmospheres
https://arxiv.org/abs/2503.04600

HD 163296 and its Giant Planets: Creation of Exo-comets, Interstellar Objects and Transport of Volatile Material
https://arxiv.org/abs/2503.04669